Hello! My name is David and I am a Principal Engineer on a large team working for Rackspace Hosting. I regularly mentor developers within (and without) teams, speak semi-regularly at local web dev groups, and am a proud co-organizer of the San Antonio DUG.

https://www.drupal.org/u/bighappyface
https://groups.drupal.org/san-antonio-texas
https://groups.drupal.org/user/2981333

Recent speaking experience:

https://2018.texascamp.org/happenings/training-drupal-8-certification-crash-course
https://events.drupal.org/vienna2017/sessions/drupal-google-amp-world
https://events.drupal.org/baltimore2017/sessions/web-performance-2017
https://2017.texascamp.org/ (see tickets area - Drupal 8 Certification Crash Course)
https://events.drupal.org/dublin2016/sessions/varnish-and-vcl-beyond-copypaste-internet
http://2016.texascamp.org/sessions/datalayer-what-it-and-why-you-need-it

Intro to Cloudflare Workers